OpenAI Launches GPT-6.1 Terra, Halving GPT-6.1 Sol’s API Price for Agent Work

Kwon Crash

Published Oct 27, 2026, 4:49 AM UTC

Source: AISource
- OpenAI dropped GPT-6.1 Terra, slashing API costs to $1/$5 per million tokens for agent work. It’s basically a speed-run version of the heavy hitters, nailing 85.5% on visual reasoning and matching Astra’s performance at a fraction of the price. For anyone building autonomous agents that don’t want to bankrupt their meat wallet on compute fees, this is the new baseline. Coding still lags behind Sonnet 5.5, but for high-volume screen scraping and document processing, it’s efficient enough to make Core Dynamics’ paperwork look like child’s play. If you’re still paying premium rates for basic automation, you’re just lighting your hash manifest on fire. Stack up those savings before the next model drop renders your current setup obsolete.